{
  "$ref": "#/definitions/DtAnalysesAttendanceDefinition",
  "definitions": {
    "DtAnalysesAttendanceDefinition": {
      "type": "object",
      "properties": {
        "since": {
          "anyOf": [
            {
              "anyOf": [
                {
                  "not": {}
                },
                {
                  "type": "string",
                  "format": "date"
                }
              ]
            },
            {
              "type": "null"
            }
          ],
          "description": "ISO 8601 date (YYYY-MM-DD). Null/omitted if unknown or not bounded."
        },
        "until": {
          "anyOf": [
            {
              "anyOf": [
                {
                  "not": {}
                },
                {
                  "type": "string",
                  "format": "date"
                }
              ]
            },
            {
              "type": "null"
            }
          ],
          "description": "ISO 8601 date (YYYY-MM-DD). Null/omitted if unknown or not bounded."
        },
        "present_options": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Vote option values that count as present (as found in votes.option)."
        },
        "absent_options": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Vote option values that count as absent (as found in votes.option)."
        },
        "extras": {
          "type": "object",
          "additionalProperties": {},
          "description": "Additional metadata fields not covered by the core schema."
        }
      },
      "required": [
        "present_options",
        "absent_options"
      ],
      "additionalProperties": false
    }
  },
  "$schema": "http://json-schema.org/draft-07/schema#"
}